When the sleuth is a shrink

As Keith Ablow's Compulsion opens, we meet Massachusetts psychiatrist Dr. Frank Clevenger, who is haunted by an encounter two years earlier with a maniacal mental patient (described in grisly detail in Ablow's Projection). This shattering experience has left him weary and disillusioned. Wanting to keep his distance from violence and death, he has sworn off consulting on forensic cases....